MidAmerican Energy Building

$12.48/sqft/yr

401 Douglas St, Sioux City, IA 51101

For Lease

Office Building

Active

Last Updated: 04/20/2026

Details:

Building Size: 224,425 sqft

Lot Area: 1.37 acres

Class: A

Year Built: 1979

Floors: 6

Parking Spots: 690

Description:

Best office value downtown. Recently updated, MidAmerican Energy building is one of Siouxland's highest quality and most full-service office buildings. Free access to over 12,000 SF of amenities. Incredible views of the Missouri River & expansive interior atrium. Redundant 1500 kw generator and uninterruptible power supply (UPS). Wellness center with showers & locker rooms. 6th floor small basketball court and fitness floor. Full-service mail and document center, high level card access security and Roberts Floor Cell System. Reception services. On-site property management. Interior access to adjacent public parking ramp and shared parking with Hard Rock Casino. Full access to eight meeting rooms, including a 64-person assembly hall, 64-person press room, three 6-person conference rooms expandable to 30, all on the main floor, 12-person and 20-person conference rooms on the 4th floor and a 20-person executive dining room with full kitchen and direct access to a large rooftop patio on the 5th floor. Full-service lease includes taxes, bldg. insurance, CAM, nightly janitorial & utilities. Heated sidewalks. Ask about available furniture.

Downtown Sioux City northeast of Hard Rock Casino.

This listing was syndicated through:

Map:

2 Spaces Available

400, 400, 4 Building

Available:

Immediately

Sublease:

No

SQFT

3,913

Lease Rate:

$12.48/sqft/yr

Lease Type:

Gross

Suite 400 has 4 private offices with windows, a conference room, and a spacious reception area. This space can be demised down to 1,452 sf or see plans for a 2,461 sf configuration. Tenants will share a common restroom. Remodeled in 2014.

414, 414, 4 Building

Available:

09/01/2026

Sublease:

No

SQFT

16,992

Lease Rate:

$12.48/sqft/yr

Lease Type:

Gross

Suite 414 features 20 private offices- ranging in sizes and a large open cubicle space. The 2 separate entrances have large reception/welcome areas. There are 3 conference rooms throughout the suite, private restrooms and a full kitchen. Tenants also have access to 2 private balconies that have expansive views of downtown and the Hard Rock Casino. This suite can be demised down to 4,889 sf or see plans for a 10,129 sf configuration.